TM 5-3805-258-24-1Every 250 Service Hours or MonthlyFAN BEARINGLubricate the fan bearing.COOLING SYSTEM -ADD CONDITIONERWARNINGAt operating temperature, theant is hot and under pressure.WARNINGengine cool-Steam can cause personal injury.WARNINGInspect the coolant level ONLY when theengine is stopped and the radiator cap iscool enough to touch with your hand.WARNINGRemove the radiator cap slowly to relievepressure.WARNINGThe cooling system conditioner containsalkali, avoid contact with the skin and eyesto prevent personaI injury.CAUTIONNever add coolant to an overheated engine,allow the engine to cool first.Do not use Caterpillar cooling system condi-tioner with Dowtherm 209 Full-Fill coolant.Follow the recommendations provided withDowtherm 209 Full-Fill coolant.Do NOT add liquid cooling system conditionermonthly unless the machine has actuallyoperated 250 Service Hours. Adding coolingsystem conditioner before 250 Service Hourswill give an excessive concentration ofconditioner.If the cooling system was drained andrefilled, see the topic “Cooling System”under “Every 2000 Service Hours or 1Year.”It may be necessary to drain enoughcoolant to allow for the addition of coolingsystem conditioner.Add 1/2 liter (1 pint) of Caterpillar coolingsystem conditioner, or equivalent, to thiscooling system. This will maintain therequired 3% concentration of conditioner.1-54
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